NHK showed off the new camera at its recent NHK Open House 2012 event. The camera, according to NHK, can shoot 7580-by-4320-pixel resolution video at 120 frames per second (fps)--which breaks down to about four billion pixels per second.

NHK decided to boost the camera's framerate from 60fps to 120fps because fast-moving subjects appeared to be too blurry on the gigantic Super Hi-Vision wall-size displays. To deal with the video's higher bitrate, NHK also developed a new type of analog-to-digital converter.

The craziest thing is that this camera uses a 1.5-inch CMOS sensor that's actually smaller than what's found on conventional Ultra-High Definition sensors. It sounds like an impressive piece of tech, if a little gratuitous at this stage, given current HDTVs top out at 1920-by-1080-pixel resolution. Either way, your hard drive won't know what hit it.

The screen was particularly good. It is bright and visible from most angles, however heat is an issue, particularly around the Windows button on the front, and on the back where the battery housing is located.

My first impression after unboxing the Q702 is that it is a nice looking unit. Styling is somewhat minimalist but very effective. The tablet part, once detached, has a nice weight, and no buttons or switches are located in awkward or intrusive positions.

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